creep
Definitions
To move slowly and carefully, especially in order to avoid being heard or noticed.
A person whose behavior is unpleasant, strange, or socially off-putting.
The gradual, often unwanted, physical movement or deformation of a material under stress.
Examples
The ivy began to creep slowly up the side of the old stone wall.
I felt a chill creep down my spine as I walked through the dark hallway.
He tried to creep past the sleeping dog without making a sound.